In a clear effort to electrocute himself with powerlines or just cut his head with a traffic light, someone has created a 12-foot-tall bicycle from scratch. Called the SkyWalker TallBike, these bikes are not for the faint of heart. In fact, they are built for absolute lunatics. In other words, I want to ride one. … »2/29/08 5:00pm 2/29/08 5:00pm